Chung, Hsiang-Yu, and Kuei-Hu Chang. “Integrating The Entropy and Picture Fuzzy Set Methods to Process Supplier Selection Issues”. International Journal of Industrial Engineering: Theory, Applications and Practice 32, no. 3 (June 2, 2025). Accessed June 19, 2026. https://www.ijietap.com/ijietap/index.php/ijie/article/view/10533.